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Reddit
reddit.com › r/betterbird › need help: migrating email filters & settings from thunderbird to betterbird
r/Betterbird on Reddit: Need Help: Migrating Email Filters & Settings from Thunderbird to Betterbird
January 24, 2024 -

Need Help: Migrating Email Filters & Settings from Thunderbird to Betterbird

SEE UPDATE BELOW - STILL NOT WORKING

After learning about Betterbird's superior features, I was eager to test it out. To my surprise, the transition from Thunderbird required manual transfer of settings, which was unexpected since I didn't find an automatic import option for my email accounts. Dealing with five separate email accounts for my businesses, I assumed that email filters would automatically carry over.

Unfortunately, despite manually moving my settings, the email filters didn't follow suit, and I haven't found any guidance on whether this is feasible. Given that Thunderbird and Betterbird are built on the same foundation, it baffles me that there isn't a simple import function for all existing settings and filters from an updated Thunderbird installation.

Without this capability, I'm at a crossroads. Thunderbird's bugs are manageable, but the absence of an easy import for my extensive list of filters is a significant obstacle. I am reaching out for any help or insights that could facilitate this transition. The move to Betterbird interests me, but it hinges on the platform's ability to fully integrate my existing settings, filters, and more.

P.S. I’ve also noticed that my email signatures haven't transferred over. While this might be a minor issue compared to the others, it adds to my hesitation. The prospect of switching is becoming increasingly unattractive without these core functionalities.

UPDATE:

  1. I'm running the TB Beta and I have several TB profiles when I go to IMPORT

  2. When I first posted this, I imported the incorrect profile and that would explain no FILTERS importing I guess but as soon as I setup an account, I begin building filters SO....I guess maybe it doesn't make sense.

  3. In any case, I switched to the "default-beta" profile found at: C:\Users\me\AppData\Roaming\Thunderbird\Profiles\v23vn66u. default-beta

    1. Did the import again and this time, it did ask me for password for the accounts that weren't Gmail but FILTERS HAVE NOT IMPORTED???

    2. As a last ditch attempt to get this working, I uninstalled and reinstalled and I've gone through the IMPORT AGAIN......and still....NO FILTERS????

I really do want to give Betterbird a FAIR chance but I need these issues fixed or a resolution found before I can make a switch. ANY HELP WOULD BE GREAT!!!

Regards,

David

Create a new profile but migrate settings Aug 22, 2025
r/Thunderbird
last yr.
Help Nov 29, 2021
r/Thunderbird
4y ago
Synchronizing Thunderbird Filters Apr 5, 2022
r/Thunderbird
4y ago
Betterbird? Oct 18, 2023
r/Thunderbird
2y ago
More results from reddit.com
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Reddit
reddit.com › r/linuxquestions › make betterbird use the thunderbird profile
r/linuxquestions on Reddit: Make Betterbird use the Thunderbird profile
July 25, 2025 -

I would like to try Betterbird. The Betterbird website says that it is very easy to test, as Betterbird can directly use (not import) the Thunderbird profile. "You can install Betterbird at the same time as Thunderbird and run them on the same profile."
Unfortunately, I can't make it work.

I run Tuxedo Linux and have Thunderbird installed as a deb-package (not Flatpack). On the Betterbird Website I can download a linux archive and directly start betterbird (I just doubleclick on the betterbird.bin file in the folder I unpacked the archive in). Or I can install it as a flatpack using discover. In both cases Betterbird asks me to setup my e-mail account and does not find / use / recognize an existing Thunderbird profile.

The Betterbird support page (https://www.betterbird.eu/support/#switch-tb-bb) mentions something how to switch between the two but I don't know what to do here.

Does anybody have experience how to make Betterbird use my existing Thunderbird profile. I assume that I somehow have to tell Betterbird where to find my Thunderbird profile. However, I don't know how and I don't even know where my Thunderbird profile is stored...

I'd appreciate any advice. Thanks.

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The documentation provided gives pretty clear information about how to solve this. I've never used this so I'll have to ask you a few questions: How Thunderbird and Betterbird installed? is it a .deb or flatpak installation? Was everything (Thunderbird and Betterbird) installed using default settings?
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Have you used the terminal before? In it you can run the Flatpak version (which I would recommend) like this: flatpak run eu.betterbird.Betterbird -p Then, following the support page you linked, you should create a profile and do the minimal amount of setup to close the profile manager. For the copy: You should be able to open both ~/.thunderbird (for your deb-Thunderbird) and ~/.var/app/eu.betterbird.Betterbird/.thunderbird in the URL bar of your file manager. The terminal also works if you're familiar with cd, ls, cp, etc. Thunderbird profiles are named with a bunch of random letters, so you'll need to figure out on your own which directory is your real one. You can look at the "Last Changed" timestamp or the contents of profiles.ini if you're not sure. As an example mine is named like this: tzevfn17.default Again following the support page, you'll want to delete the contents of the newly created profile in the Betterbird directory, and copy the contents of your old profile into it. Double check which one is which so you don't accidentally delete your old profile. After that you should be able to start the Flatpak Betterbird from the application launcher and it should "just work". The one you got from the .tar.bz2 won't work from this, I'm not sure how that one handles profiles.
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Reddit
reddit.com › r/thunderbird › thunderbird and betterbird not working
r/Thunderbird on Reddit: Thunderbird and Betterbird not working
August 31, 2024 -

i started getting this 'Your gmail settings are out of date' message but i could not figure out what settings they were talking about or the way to fix them. and Thunderbird just kind of ground to a halt. tried Betterbird and its the same story.

what do i do and how do i do it? i have 7 active emails and it's killing me.

thanks to all in this community, you guys are great.

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Reddit
reddit.com › r/betterbird › betterbird (linux) and the .thunderbird folder?
r/Betterbird on Reddit: Betterbird (Linux) and the .thunderbird folder?
October 14, 2024 -

I have been using and LIKING Betterbird for the best part of this year and would like to rid my machine of all things "Thunderbird"--however I find that BB uses the .thunderbird configuration folder.

I tried copying the contents of same to a .betterbird folder, and re-configured the Account Settings Local Folder to my new folder--that worked, but I found on restart BB recreated the ,thunderbird folder and repopulated it with a few files.

Deleting that caused BB to behave as if it were a new install?

I restored the .thunderbird folder from the backup I made before mucking about, and re-configured the BB Local Folder setting, and all is well. however my question is does BB need to have that .thunderbird folder to run properly?

Can I change that behaviour?

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Reddit
reddit.com › r/voidlinux › thunderbird/betterbird issues
r/voidlinux on Reddit: Thunderbird/Betterbird issues
September 1, 2023 -

Just completed a net install and there’s one issue preventing me from keeping it unless there’s a fix. Because of work I need notifications for new email. Since Birdtray hasn’t worked with Thunderbird for months I thought I could overcome this by using the Flatpak version of Betterbird which has a new mail notification by default. Everything works as expected including the new mail notification icon but then I discovered it’s not possible to add attachments to any outgoing emails (my two are Gmail and GMX mail). Anyone got any suggestions please either to get attachments working for Betterbird or a mail notification for Thunderbird.

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Reddit
reddit.com › r/betterbird › having no luck migrating from thunderbird to betterbird - please help
r/Betterbird on Reddit: Having no luck migrating from Thunderbird to Betterbird - please help
June 20, 2025 -

So, per the heading, I;ve been using Thunderbird for a while now, and I'd like to try Betterbird to see if it is genuinely better. I'm a FOMO person - forgive me.

Thunderbird is installed and working pretty well, even with MS Exchange servers (using OWL) which is a big plus for me.

The instructions seem to indicate that I can simply install Betterbird (which I have done using the Flatpak version) and then copy my Thunderbird config to replace the Betterbird config.

I found both configs under ~/.var/app so I renamed the new (untouched) Betterbird config and replaced it with my old Thunderbird config, using the commands below:

cd ~/.var/app
mv eu.betterbird.Betterbird/ eu.betterbird.Betterbird-new
cp -r net.thunderbird.Thunderbird/ eu.betterbird.Betterbird

Yet when I start Betterbird it acts as if it was a new installation, asking me to configure the first e-mail address.

I'm sure I'm doing something dumb, but what is it?

EDIT: I've just found a Betterbird directory at:

/var/lib/flatpak/app/eu.betterbird.Betterbird/x86_64/stable/93b6ddc26f7b6f2371c6be1b04855f183d912554a613b8ef7a7f02ca45668122/files/lib/betterbird

Which is probably the one I want to patch (since it's presumably the Flatpak instance). Trouble is, there doesn't seem to be config dir, anywhere in the vicinity.

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Reddit
reddit.com › r/betterbird › betterbird won't open tb profile
r/Betterbird on Reddit: Betterbird won't open TB profile
November 6, 2024 -

I installed Betterbird, and made a copy of my Thunderbird profile so I could test it without mucking up Thunderbird.

When I try to open the copy of the profile, I get this message:

A newer version of Betterbird may have made changes to your profile which are no longer compatible with this older version. Use this profile only with that newer version, or create a new profile for this installation of Betterbird. Creating a new profile requires setting up your accounts, calendars and add-ons again.

I looked and am running a newer version of TB, than BB. TB...128.4.1esr, BB...115.17.0-bb35

What can I try at this point?

Do I have to just stop updating TB and wait until BB gets caught up?

Find elsewhere
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Reddit
reddit.com › r › Betterbird
Betterbird. Simply better ... than Thunderbird.
January 5, 2023 - However, I initially failed to notice that Betterbird had changed the sender display name because I was focused on composing the messages. My fault. For reference, the device name shown in mac OS System Settings → General → About → Name has deliberately been “MacBook Air” since mac OS Sequoia 15.7.9. “HDAir” is the separate generic macOS login/account name. Thunderbird, Betterbird’s baseline, continued to display my previous generic name, “_”, on the same GMX account.
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Reddit
reddit.com › r/betterbird › filters from thunderbird to betterbird
r/Betterbird on Reddit: Filters from Thunderbird to Betterbird
May 1, 2026 -

I just switched to Betterbird from Thunderbird and and EXTREMELY SATISFIED!! Everything seemed to come in great since I have an IMAP with Google account. But I noticed my Thunderbird Message filters did not transfer over, understandably. I am not sure if I want to import those filters since I had Thunderbird for probably 15 years, and there are a TON of filters. I see in Thunderbird there are also numerous profiles, each having their own message filters. If I decided to copy the message filter data over to BetterBird, should I combine all my data from 3 different profiles into one data file? And I am assuming I would just put my 'msgFilterRules.dat' file into my new Betterbird profile, correct?

Top answer
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Yes, filters are stored in msgFilterRules.dat in the respective account. If you know what you're doing, you can edit those files manually, but if your make a mistake, the next program start may obliterate it.
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Normally, when you switch from Thunderbird to Betterbird (i.e. you use Betterbird for the first time), Betterbird uses your current (latest) Thunderbird profile. As such, you get all your emails, all your local folders... and all your filters. It also means that, when you open Betterbird, you should not have Thunderbird open at the same time. I also suspect that if you had the extension FiltaQuilla in Thunderbird (it adds a few filtering options), you might have problem filtering until FiltaQuilla is installed in Thunderbird. Another issue you might have with filters is that, if your first use of Betterbird took too long to connect, filters might simply be de-activated because the folders you are sending the mails to were not yet active at that time. So check within your filter rules whether you have a lot of deactivated filters and reactivate them. (I once had to redefine one destination folder because, for some obscure reason, it didn't recognize the path it was using the day before – some changes server side). Importing Filters I don't think you can combine filters from multiple places, but you can transfer ONE 'msgFilterRules.dat' file from one place to the other. First, check what is your latest profile in Thunderbird and in Betterbird. Take note of it. Assuming you are using IMAP, your filters will be attached to each account, like this: C:\Users\user_name\AppData\Roaming\Thunderbird\Profiles \whatever_name.default\IMAP\account_1 (The "whatever_name.default" probably has today's date, and is used both by your latest Thunderbird and Betterbird incarnations.) There is one 'msgFilterRules.dat' file per account. I don't know whether or not using "Unified folders" changes that because I never used Unified folders. Sizewise, my main account has 20 rules and its 'msgFilterRules.dat' file is 7k. All my other accounts have only one or two rules and the file is only 1k. It is safe to copy the 'msgFilterRules.dat' file from one place to another when Betterbird (and Thunderbird) are closed.
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Reddit
reddit.com › r/thunderbird › how does tb determine which profile to use when opened?
r/Thunderbird on Reddit: How does TB determine which profile to use when opened?
August 16, 2024 -

When I open TB (actually Betterbird, on Windows) by double-clicking from my desktop, my profile opens just fine. But when I try to open a .ics file by double-clicking, I get an error "Your Betterbird profile cannot be loaded. It may be missing or inaccessible." I get the same thing if I use "open with..." and choose the exact same .exe file that the BB shortcut points to. So how does the app decide what profile it should be using?

I expect this is related to the problem I posted about a week ago, where every time I install an update, it creates a new profile for me, so I have to manually empty out that new profile and move all my data out of the previous profile and into the new one.

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I think I've solved the problem. It seems to come from the fact that I'm using Betterbird, and that this doesn't have a profile of its own, but hijacks the profile from Thunderbird. I still don't understand why new installs don't honor this properly, but it does explain why my attempt to fix the problem by uninstall and then re-install (even using Revo for the uninstall) didn't work. What I wound up doing was to Close BB and then move the contents of my active profile to another directory Uninstall BB Delete the whole TB profiles repository in C:\Users\username\AppData\Roaming\Thunderbird\Profiles Re-install Betterbird by way of chocolatey (choco install betterbird) Run BB to get it to set up a new profile of its own (cancelling out without bothering to enter all the mailbox settings) Find the new profile directory Close BB Move the original profile contents that you'd set aside elsewhere into the new default profile Everything seems fine now, and I'm hopeful that by putting this under chocolatey control, rather than a manual install process, that I'll avoid the problem in the future.
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I'm a long time satisfied Thunderbird user. But early on, I always found myself at odds with its Profile Manager. It would often do unexpected things, creating new profiles when I didn't want or need one, or TB getting itself out of whack with my existing profile location after maintenance. I was frustrated as hell with the whole profile manager experience and was constantly doing battle with it until I hard-coded the location of my permanent profile into TB's startup parameters using the profile parameter. For me, this totally bypassed the profile manager and its shenanigans - and tells TB exactly where to find the profile I want it to use at startup, which by the way, is on my NAS and never moves. TB's Profile Manager's functionality and logic may have value for users with complex needs and multiple profiles. But the vast majority of users like me only use one profile. Consequently, the over-zealous profile manager, with its penchant for making new profiles, becomes a pain in the ass. OP's compliant is a perfect example.
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Reddit
reddit.com › r/thunderbird › trying to set up thunderbird on new computer and transfer all of my emails/settings
r/Thunderbird on Reddit: Trying to set up Thunderbird on new computer and transfer all of my emails/settings
February 26, 2025 -

I have been banging my head against this all morning. I have a new computer with Windows 11. My old computer runs Windows 7 ( yes, I know...). I followed the instructions on both here and Mozilla's website. I installed Thunderbird on my new computer and found where the Profiles folder is. I then copied my xxxx.default file from my old computer to my new computer, using an external hard drive. Started up Thunderbird and it brought the startup wizard. There were no emails & no settings transferred over. So then I thought, well maybe I forgot to close down the old Thunderbird before I copied to the external hard-drive. I made sure TB was closed on my old computer before re-copying xxxx.default to the external hard drive. While that was copying, I uninstalled TB on the new computer. I re-installed TB on the new computer. Now, on the new computer, when I try to load TB, it says "Your Thunderbird profile cannot be loaded. It may be missing or inaccessible". I even tried to uninstall and redownload TB and I still get that my new version cannot be loaded. Can anyone help me figure this out? Thanks so much in advance.

Oh - On my old computer, I have TB version 115.10.1 If that makes any difference.

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Reddit
reddit.com › r/thunderbird › problem with thunderbird account settings
r/Thunderbird on Reddit: Problem with Thunderbird Account Settings
February 28, 2023 -

I am posting this a second time because I really need to fix this. You can see from the screenshot that all I get in account settings are the headings but no actual settings. The Error Console is empty. If I uninstall and reinstall will that fix it? If not, and the problem is in the user profile, how would I fix that? I really need to fix this. Can anyone help please?

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Reddit
reddit.com › r/thunderbird › bored of thundebird constantly reseting my ui settings, i'm out :/
r/Thunderbird on Reddit: Bored of Thundebird constantly reseting my UI settings, I'm out :/
October 2, 2025 -

I'm so pissed off. I'm using Thunderbird for more than 15 years, but lately it's an infinite mess. I don't like the new interface and the way thunderbird merging my mails in "groups". I respect that some users could like it but we should have the choice at installation.

I spend some time on each install to remove all the crappy bars everywhere, showing the main bar on top "file, edit, ...", stoping it to merging my mails, but it's not the worst part...

Thunderbird is silently updated, and sometimes, when I launch my computer, my settings are gone !!! This is incredible ! This evening, the main bar disappeared and the mails are one more time merged by "discussions". I just want to use my mailbox the way I intend to use it and don't spend my whole evening finding which options I should check to find my old UI, why resetting the users setting when a silent update occurs ???

Thunderbird was a very pleasant software to use but I'm done with this shit. What a waste....

Firefox is still usable and I really hope it won't go the same path

Sorry for my poor english, I'm sooo disappointed... I can't believe such poor choices we made.

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Reddit
reddit.com › r/thunderbird › thunderbird problems
r/Thunderbird on Reddit: Thunderbird problems
January 14, 2025 -

Hello, I have been using Thunderbird for 5 months within the company I work for and I have encountered several problems:

  1. If I send an email from Thunderbird to Yahoo Mail, it goes directly to the recipient's spam folder.

  2. I do not receive emails, I am told that emails have been sent to me, but I do not receive them, and often it happens that on the director's computer the email appears in the Office mailbox, while on the computer I work on it does not appear.

  3. Emails are deleted without me selecting them to be deleted after a period of time.

  4. There are times when I try to send emails from my personal Gmail account to my work email, and sometimes they can be sent, but other times I get an error message.

  5. The director tried to add his work email to Gmail but cannot access old emails.

Do you have any solutions or explanations for any of these problems?

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This has nothing to do with Thunderbird. i.e. with the email client you're using. The recipient should deal with this. If there is a misconfiguration in the email server you use to send, that may be the reason too. But in either case, it's not related to Thunderbird. 2. I do not receive emails, I am told that emails have been sent to me, but I do not receive them, and often it happens that on the director's computer the email appears in the Office mailbox, while on the computer I work on it does not appear. What do you mean by this? You receive no emails whatsoever, or some? If you receive no email at all, check your incoming mail configuration. Send yourself some test mails to see what happens. If Thunderbird displays some errors, post them here. If only some of the emails are not received, and there are no error messages, then there might be a problem with the sender, or emails go to your spam folder, or there is a filter rule that moves or deletes them. 3. Emails are deleted without me selecting them to be deleted after a period of time. There is an option in account settings that will delete all emails but the most recent ones according to recency limits set by you. 4. There are times when I try to send emails from my personal Gmail account to my work email, and sometimes they can be sent, but other times I get an error message. What is the error message exactly? 5. The director tried to add his work email to Gmail but cannot access old emails. I don't understand what your question is here
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This looks like a combination of bad Thunderbird configuration choices (filtering, retention,..) and your company's mail server misconfiguration. Ask your sysadmin/IT to look into it.
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Reddit
reddit.com › r/thunderbird › is settings sync a thing or not (without emails)
r/Thunderbird on Reddit: Is Settings sync a thing or not (without emails)
March 18, 2023 -

I've been using the app for many years, maybe more than 10 (!?). I'm using Linux (Nobara Project/Fedora fork), MacOS (macbook mid'2013) and Windows 10 at home. There is also my work laptop that also runs Windows 10.

Still haven't found a way to sync settings/options/preferences between computer.s You just sync the profile folder and get all the email files along with it. Everybody knows that this process may produce a rar/zip/gzip file larger than 20gb that is difficult to sync thru shared ftp, google/onedrive/etc. Some guys just transfer it using a usb stick or even only use portable version (windows only).

I'm searching for a way to "only" sync "settings/options/preferences" between computers, without sync'ing the emails. I use more than 5 accounts all set'ed up with IMAP, even matrix.

I'm hoping this post reaches people that figured it out and not users that just reply "use this guide that does sync the whole bunch" just for an upvote.